Coagulation failure in pregnancy.
D000653:Amniotic Fluid; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D009119:Muscle Contraction; D006473:Postpartum Hemorrhage / Q000209:etiology*; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic; D014599:Uterus